Mary and Kate picked up a map of the zoo at the main entrance. The actual distance between the entry point and the Avian Center was 2.3 miles. The distance on the map was 9.2 inches. Determine
the scale factor that was used to design the map.

Two lines parallel to the same plane are parallel to eachother

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so